#ifndef EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
#define EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66

#if defined(_MSC_VER) || (defined(__GNUC__) && (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) || (__GNUC__ >= 4)) // GCC supports "pragma once" correctly since 3.4
#pragma once
#endif

#include "yaml-cpp/eventhandler.h"
#include <stack>

namespace YAML {
class Emitter;

class EmitFromEvents: public EventHandler {
public:
	EmitFromEvents(Emitter& emitter);

	virtual void OnDocumentStart(const Mark& mark);
	virtual void OnDocumentEnd();

	virtual void OnNull(const Mark& mark, anchor_t anchor);
	virtual void OnAlias(const Mark& mark, anchor_t anchor);
	virtual void OnScalar(const Mark& mark, const std::string& tag,
			anchor_t anchor, const std::string& value);

	virtual void OnSequenceStart(const Mark& mark, const std::string& tag,
			anchor_t anchor);
	virtual void OnSequenceEnd();

	virtual void OnMapStart(const Mark& mark, const std::string& tag,
			anchor_t anchor);
	virtual void OnMapEnd();

private:
	void BeginNode();
	void EmitProps(const std::string& tag, anchor_t anchor);

private:
	Emitter& m_emitter;

	struct State {
		enum value {
			WaitingForSequenceEntry, WaitingForKey, WaitingForValue
		};
	};
	std::stack<State::value> m_stateStack;
};
}

#endif // EMITFROMEVENTS_H_62B23520_7C8E_11DE_8A39_0800200C9A66
